Discovery Early Career Researcher Award - Grant ID: DE220101190
Funder
Australian Research Council
Funding Amount
$418,292.00
Summary
Designing low-toxicity and stable perovskites for solar energy conversion. Efficient solar energy conversion systems can significantly promote sustainable and low carbon-emission economy. This project aims to rationally design low-toxic and stable metal halide perovskites for efficient solar hydrogen conversion. The key concept is to design stable lead-free metal halide perovskite semiconductors with superior photophysical properties for solar-driven valuable chemical production. Expected outcom ....Designing low-toxicity and stable perovskites for solar energy conversion. Efficient solar energy conversion systems can significantly promote sustainable and low carbon-emission economy. This project aims to rationally design low-toxic and stable metal halide perovskites for efficient solar hydrogen conversion. The key concept is to design stable lead-free metal halide perovskite semiconductors with superior photophysical properties for solar-driven valuable chemical production. Expected outcomes include new generation advanced materials and proof-of-concept technologies for efficient solar hydrogen generation. The successful completion of this project will benefit Australia by positioning the nation at the frontier of advanced functional materials and renewable energy supply technologies.Read moreRead less
Oxide-semiconductor epitaxy: towards next generation nanoelectronics. This project aims to integrate high quality functional oxide heterostructures with semiconductor platforms and address the fundamental obstacles in oxides for highly efficient and high-speed transistor applications by engineering their electronic band structures. The project aims to establish a bridge between the diverse electronic properties of oxides and the established semiconductor platform, and generate new devices and fu ....Oxide-semiconductor epitaxy: towards next generation nanoelectronics. This project aims to integrate high quality functional oxide heterostructures with semiconductor platforms and address the fundamental obstacles in oxides for highly efficient and high-speed transistor applications by engineering their electronic band structures. The project aims to establish a bridge between the diverse electronic properties of oxides and the established semiconductor platform, and generate new devices and functionalities. Expected outcomes include epitaxial functional oxides on Gallium arsenide with ultrahigh, room-temperature sheet electron mobility and a comprehensive understanding of its microscopic origin. This will fundamentally change the route toward novel transistors based on high speed and low energy oxide electronics.Read moreRead less
Perovskite Quantum Dots for Solar Hydrogen Generation. Sustainable hydrogen production is highly significant towards decarbonised economy. This project aims to develop new classes of organometal halide perovskite quantum dots (OHPQDs) for efficient photoelecrochemical hydrogen production. The key concept is to design toxic Lead free/less OHPQDs for use as stable photoelectrode materials in self-powered sunlight driven water splitting devices. Expected outcomes include new generation advanced mat ....Perovskite Quantum Dots for Solar Hydrogen Generation. Sustainable hydrogen production is highly significant towards decarbonised economy. This project aims to develop new classes of organometal halide perovskite quantum dots (OHPQDs) for efficient photoelecrochemical hydrogen production. The key concept is to design toxic Lead free/less OHPQDs for use as stable photoelectrode materials in self-powered sunlight driven water splitting devices. Expected outcomes include new generation advanced materials and revolutionary technologies for efficient solar hydrogen generation. The successful completion of this project will significantly benefit Australia by positioning the nation at the frontier of renewable hydrogen supply technologies. Read moreRead less
Design of new two-dimensional materials for lithium sulphur batteries. Design of new two-dimensional materials for lithium sulphur batteries. This project aims to develop classes of electrode material systems for high performance batteries. This project will design new hierarchical cathode composites for a high capacity lithium-sulphur battery with a long cycling life. It intends to improve energy density by confining active sulphur in conductive graphene and exfoliated titanium dioxide nanoshee ....Design of new two-dimensional materials for lithium sulphur batteries. Design of new two-dimensional materials for lithium sulphur batteries. This project aims to develop classes of electrode material systems for high performance batteries. This project will design new hierarchical cathode composites for a high capacity lithium-sulphur battery with a long cycling life. It intends to improve energy density by confining active sulphur in conductive graphene and exfoliated titanium dioxide nanosheets, and use a unique hybrid protecting layer to suppress cycling instability. This research is expected to establish the relationship between synthetic conditions, structure, and electrochemical performance.Read moreRead less
Efficient photovoltaic-electrochemical water splitting for clean hydrogen. This project aims to develop a novel, low cost and high performance monolithic photovoltaic-electrochemical (PV-EC) device for clean hydrogen production. This device tailors and integrates low cost and high performance thin film and tandem photovoltaics for water splitting with the aim of achieving high solar to hydrogen conversion efficiency towards 20%. Earth abundant and stable catalysts will be developed in this proje ....Efficient photovoltaic-electrochemical water splitting for clean hydrogen. This project aims to develop a novel, low cost and high performance monolithic photovoltaic-electrochemical (PV-EC) device for clean hydrogen production. This device tailors and integrates low cost and high performance thin film and tandem photovoltaics for water splitting with the aim of achieving high solar to hydrogen conversion efficiency towards 20%. Earth abundant and stable catalysts will be developed in this project to replace noble based catalysts, as well as novel architectures for electrical contacting, feed-through and catalyst integration in PV-EC devices. These innovations offer high performance and the potential for device costs 2 to 3 orders of magnitude lower than recent world record photoelectrochemical devices. Read moreRead less
Porous Electromaterials for Hydrogen Production and Energy Storage. This project aims to develop nanocomposite electrodes and membranes for efficient production of renewable hydrogen and the next generation of high-energy-density battery technologies. This will be accomplished by the engineering of multi-scale porous materials with tuneable electrical, chemical and morphological properties using earth abundant elements. The intended outcome is the establishment of a scalable methodology for the ....Porous Electromaterials for Hydrogen Production and Energy Storage. This project aims to develop nanocomposite electrodes and membranes for efficient production of renewable hydrogen and the next generation of high-energy-density battery technologies. This will be accomplished by the engineering of multi-scale porous materials with tuneable electrical, chemical and morphological properties using earth abundant elements. The intended outcome is the establishment of a scalable methodology for the structuring and effective integration of microporous materials in highly conductive scaffolds, achieving superior charge and molecular transport, as well as high surface activity. Broad social and economic benefits are anticipated providing new technological solutions for renewable energy storage and fuel production.Read moreRead less
Bioinspired Ion Transporters for Efficient Energy Conversion and Storage. This project aims to fabricate bioinspired light-driven ion transporters with biological-level active ion transport efficiency for efficient energy conversion and storage. Engineering of artificial membranes with ion-pump-like pore structures, specific ion binding sites and photo-excited molecular gates by an innovative bioinspired approach is expected to generate new knowledge in the field of biomimetic design of artifici ....Bioinspired Ion Transporters for Efficient Energy Conversion and Storage. This project aims to fabricate bioinspired light-driven ion transporters with biological-level active ion transport efficiency for efficient energy conversion and storage. Engineering of artificial membranes with ion-pump-like pore structures, specific ion binding sites and photo-excited molecular gates by an innovative bioinspired approach is expected to generate new knowledge in the field of biomimetic design of artificial ion-transporter membranes and bring new technologies to applications such as in solar energy harvesting, osmotic power generation, ionic batteries, and ionic circuits. The proposed research should provide significant benefits such as new energy conversion and storage technologies for Australian manufacturing industry.Read moreRead less
Porous transparent conducting oxides for efficient solar fuel production. This project aims to develop highly porous, transparent and electrically conducting networks of oxide nanoparticles for artificial photosynthesis applications. The majority of hydrogen is currently produced via natural gas reforming, a process that generates a significant carbon footprint due to the use of fossil fuels. This project will develop novel materials and fabrication methods to improve the efficiency of hydrogen ....Porous transparent conducting oxides for efficient solar fuel production. This project aims to develop highly porous, transparent and electrically conducting networks of oxide nanoparticles for artificial photosynthesis applications. The majority of hydrogen is currently produced via natural gas reforming, a process that generates a significant carbon footprint due to the use of fossil fuels. This project will develop novel materials and fabrication methods to improve the efficiency of hydrogen production using clean and renewable solar energy. This project will contribute to development of technologies for the chemical storage of renewable energy, and reduction of carbon dioxide emissions. This will have applications in the areas of optoelectronic devices, medical biosensors, and photocatalysis, offering downstream benefits for the society, the economy and the environment.Read moreRead less
Epitaxial growth of III-V microring lasers for integrated silicon photonics. This project aims to investigate the growth and demonstration of compound semiconductor microring lasers on silicon substrates, using selective area growth to engineer the shape of the lasing cavity at the nano/micro-scale. Silicon photonics is currently a dominant technology in optical and data communication systems, and the continued development demands higher speeds, lower power consumption and lower costs. However, ....Epitaxial growth of III-V microring lasers for integrated silicon photonics. This project aims to investigate the growth and demonstration of compound semiconductor microring lasers on silicon substrates, using selective area growth to engineer the shape of the lasing cavity at the nano/micro-scale. Silicon photonics is currently a dominant technology in optical and data communication systems, and the continued development demands higher speeds, lower power consumption and lower costs. However, on-chip integrated, high efficiency lasers are still elusive due to mismatch in material platforms between the lasers and silicon substrates. This project will produce reliable, efficient and easily manufacturable laser sources integrated on silicon photonic chips. It is also expected to pave the way for more development of this technology by the industry to further drive the cost of silicon photonics technology down whilst increasing data transmission speed.Read moreRead less
Cost-efficient 2D heterostructures for solar overall water splitting. This project aims to develop novel processes to enable water splitting to generate hydrogen and oxygen under sunlight using cost-efficient 2D van der Waals heterostructures. Enhanced optical absorption and reduced charge transfer distance across the interface are expected to improve the photocatalytic activity. Experimental design and theoretical simulations will be combined to modulate the materials and achieve optimum photoc ....Cost-efficient 2D heterostructures for solar overall water splitting. This project aims to develop novel processes to enable water splitting to generate hydrogen and oxygen under sunlight using cost-efficient 2D van der Waals heterostructures. Enhanced optical absorption and reduced charge transfer distance across the interface are expected to improve the photocatalytic activity. Experimental design and theoretical simulations will be combined to modulate the materials and achieve optimum photocatalytic performances. Expected outcomes of this project include expanded chemistry knowledge and techniques in materials design and synthesis, photophysics and photocatalysis mechanism and solar energy conversion. This will provide significant benefits to clean energy and environmental protections.Read moreRead less